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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c3
-rw-r--r--drivers/gpu/drm/amd/include/amd_shared.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 1bd65b41ba4d..863e757d1f3e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1560,6 +1560,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
if (amdgpu_dc_debug_mask & DC_DISABLE_CLOCK_GATING)
adev->dm.dc->debug.disable_clock_gate = true;
+ if (amdgpu_dc_debug_mask & DC_FORCE_SUBVP_MCLK_SWITCH)
+ adev->dm.dc->debug.force_subvp_mclk_switch = true;
+
r = dm_dmub_hw_init(adev);
if (r) {
DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 2e02a6fc1717..1db21d13726d 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -248,6 +248,7 @@ enum DC_DEBUG_MASK {
DC_DISABLE_DSC = 0x4,
DC_DISABLE_CLOCK_GATING = 0x8,
DC_DISABLE_PSR = 0x10,
+ DC_FORCE_SUBVP_MCLK_SWITCH = 0x20,
};
enum amd_dpm_forced_level;